CmsReplaceMessageKeyPrefix (OpenCms Core API, version 17.0)

java.lang.Object
- org.opencms.i18n.CmsReplaceMessageKeyPrefix

All Implemented Interfaces:

CmsMultiMessages.I_KeyFallbackHandler
```
public class CmsReplaceMessageKeyPrefix
extends java.lang.Object
implements CmsMultiMessages.I_KeyFallbackHandler
```
Message key fallback handler which replaces a given set of prefixes with alternative prefixes.

Constructor Summary

Constructors
Constructor Description

CmsReplaceMessageKeyPrefix(java.lang.String configuration)
Creates a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`com.google.common.base.Optional<java.lang.String>`	`getFallbackKey(java.lang.String key)`	Gets the fallback key for the given key, or the absent value if there is no fallback key.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CmsReplaceMessageKeyPrefix
```
public CmsReplaceMessageKeyPrefix(java.lang.String configuration)
```
    Creates a new instance.
    
    Parameters:
    
    configuration - a pipe-separated list of colon-separated key-value pairs, where the key is the prefix and the value is the replacement
- Method Detail
  - getFallbackKey
```
public com.google.common.base.Optional<java.lang.String> getFallbackKey(java.lang.String key)
```
    Description copied from interface: CmsMultiMessages.I_KeyFallbackHandler
    
    Gets the fallback key for the given key, or the absent value if there is no fallback key.
    
    Specified by:
    
    getFallbackKey in interface CmsMultiMessages.I_KeyFallbackHandler
    
    Parameters:
    
    key - the original key
    
    Returns:
    
    the fallback key
    
    See Also:
    
    CmsMultiMessages.I_KeyFallbackHandler.getFallbackKey(java.lang.String)